Electric tramways formed the backbone of most towns and cities in the first half of the twentieth century. But when they got in the way of cars, they had to go. People loved their trams, they took them to school, to work, to go shopping, to the cinema and to football matches. When the last Glasgow tram ran in 1962, a quarter of a million Glaswegians braved the pouring rain to say goodbye.
Thirty years later, trams were re-invented to help combat...